1. Home
  2. Directory
  3. Ohio
  4. Middletown
  5. Internal Medicine
  6. NPI Profile

DR. GREGORY DOUGLAS GERBER M.D.
NPI 1952389496
Internal Medicine - Gastroenterology in Middletown, OH

Active since January 05, 2006PECOS EnrolledAccepts Medicare Assignment
78.37/100
CMS Quality Rating
255 N BREIEL BLVD, MIDDLETOWN, OH 45042(513) 422-5915(513) 422-5101 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gregory Douglas Gerber M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY DOUGLAS GERBER M.D. (NPI 1952389496) is an individual gastroenterology provider in Middletown, Ohio, licensed in Ohio (35045534G) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Upper Valley Medical Center, and is a graduate of Ohio State University College Of Medicine (1979).

NPPES Registry Identity

NPI1952389496
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. GREGORY DOUGLAS GERBERCredential: M.D.
Location Address255 N BREIEL BLVDMiddletown, OH 45042-3807
Mailing Address255 N Breiel BlvdMiddletown, OH 45042-3807 · (513) 422-5915 · Fax (513) 422-5101
Phone(513) 422-5915
Fax(513) 422-5101
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1979
Enumeration DateJanuary 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1952389496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OH · 35045534G
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
255 N BREIEL BLVD, Middletown, OH 45042
Open in Google Maps ↗

Other Identifiers 5

Medicare ID-Type Unspecified0548322OH
Medicaid0561253OH
Other12646002OH · Caresource
Other000000232752OH · Anthem
Medicare UPINA80866OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Douglas Gerber M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901839836
PECOS Enrollment IDI20110131000551
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Gerber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uvpc Specialists Inc.
37 mi
Surgery
3130 N COUNTY ROAD 25-A
Troy, OH 45373
  • Reassigned Medicare billing, Ohio enrollment
  • 154 clinicians in this Medicare group
NPI 1831115492 (937) 440-7454

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
54 services32 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
26 services18 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
20 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upper Valley Medical Center

Acute Care Hospitals · Troy, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360174
Location3130 North County Road 25ATroy, OH 45373 · Miami County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.37/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.63
Promoting Interoperability100
Improvement Activities40
Cost52.29

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TYLER RONALD RITCHIE PA-C
Physician Assistant
255 N BREIEL BLVD
MIDDLETOWN, OH 45042
Butler County (513) 422-5915
DR. KULDIP SHARMA M.D.
Internal Medicine (Gastroenterology)
255 N BREIEL BLVD
MIDDLETOWN, OH 45042
Butler County (513) 422-5915
MID VALLEY GASTROENTEROLOGY ASSOCIATES, INC.
Specialist
255 N BREIEL BLVD
MIDDLETOWN, OH 45042
Butler County (513) 422-5915
MR. DARYL CHRISTOPHER HACKER M.D.
Internal Medicine (Gastroenterology)
255 N BREIEL BLVD
MIDDLETOWN, OH 45042
Butler County (513) 422-5915

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Gerber's NPI number?

The NPI number for Gregory Gerber is 1952389496. It was assigned to this individual provider in the NPPES registry on January 5, 2006.

Where is Gregory Gerber located?

Gregory Gerber practices at 255 N Breiel Blvd, Middletown, OH 45042. The listed phone number is (513) 422-5915.

What is Gregory Gerber's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Gregory Gerber enrolled in Medicare?

Yes. Gregory Gerber is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gregory Gerber's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Gerber reassigns Medicare benefits to Uvpc Specialists Inc. (Troy, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Gerber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Gerber accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource and MedMutual list Gregory Gerber as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Gerber affiliated with any hospitals?

According to CMS data, Gregory Gerber is affiliated with Upper Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Gerber was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.